V8 Build Planner

Start from an example

Block family

Bore (in) Stroke (in) Rod length (in)

Advanced: deck clearance and gasket

Deck clearance (in, piston below deck) Compressed head gasket (in)

Target horsepower (flywheel) How will it be used?

Power adder

Fuel Cylinder heads Valvetrain

Rocker ratio Peak-hp RPM override (optional)

Leave a field blank to use the recommendation. Fill any field to see what it does to compression, power and the other specs.

Chamber volume (cc) Intake runner volume (cc) Intake flow at max lift (cfm, per port)

Intake valve (in) Exhaust valve (in)

Piston style Piston volume (cc, dome + / dish −) Desired static compression

Intake duration @ .050 Exhaust duration @ .050 Lobe separation (°)

Intake gross valve lift (in) Exhaust gross valve lift (in)

Transmission Top gear ratio (overdrive < 1)

Rear gear ratio Tire size Vehicle weight w/ driver (lb)

Build name